/Engine/Plugins/Runtime/AR/AppleAR/AppleARKitFaceSupport/Source/AppleARKitFaceSupport/Public/AppleARKitFaceMeshComponent.h
If auto bind is true, then this component will update itself from the local face tracking data each tick. If auto bind is off, ticking is disabled
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Components|ARFaceMesh", Meta=(DisplayName="Modify auto bind to local face tracking")) void SetAutoBind ( bool bAutoBind )